30403820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{401}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 68076288

約数和(自身を除く): 37672468

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 223, 340, 401, 446, 802, 892, 1115, 1604, 2005, 2230, 3791, 4010, 4460, 6817, 7582, 8020, 13634, 15164, 18955, 27268, 34085, 37910, 68170, 75820, 89423, 136340, 178846, 357692, 447115, 894230, 1520191, 1788460, 3040382, 6080764, 7600955, 15201910, 30403820]

約数ペア:

[(1, 30403820), (2, 15201910), (4, 7600955), (5, 6080764), (10, 3040382), (17, 1788460), (20, 1520191), (34, 894230), (68, 447115), (85, 357692), (170, 178846), (223, 136340), (340, 89423), (401, 75820), (446, 68170), (802, 37910), (892, 34085), (1115, 27268), (1604, 18955), (2005, 15164), (2230, 13634), (3791, 8020), (4010, 7582), (4460, 6817)]